biochar bandeng

05/01/2023 Indonesian Aquaculture 2014, Jakarta, 26-28 Agustus 2014

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Biochar meningkatkan SR larva ikan bandeng (Chanos-chanos) 50% dibanding kontrol

Ibnu Sahidhir1*, Widya Puspitasari1, Baharuddin1

1Balai Budidaya Air Payau Ujung Batee*ibnusahidhir@yahoo.com

Pendahuluan

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Biochar

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Kotoran padat

partikel

Koloid

Larutan

NutrienAmoniaFosfat…

Eksoenzim

Adsorbent

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Biochar

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Model Dua Dimensi Struktur Biochar

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Arang/CharcoalPembakaran

Biochar Pemanasan tanpa oksigen

Karbon aktif pemanasan dengan oksidator kimiawi

Apa itu Biochar ?

MasalahKualitas air pada pemeliharaan larva bandeng Rendah

PenyebabBahan organik terlarut tinggi

SolusiPemberian biochar pada air pemeliharaan

2. PERUMUSAN MASALAH DAN SOLUSINYA

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Metode

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Biochar

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Cara Pemberian Biochar

Biochar3 ons/m3

Larva bandeng10 ekor/L

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Maret-April April-Mei

1. Kelangsungan hidup2. Panjang larva3. TAN, nitrit, nitrat, Fe,

TBU, TBV, BOT

1. Analisis deskriptif dengan MsExcel

2. Inferensial dengan SAS

Hasil

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Biochar

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1 20%

5%

10%

15%

20%

25%

30%

35%

31.00%

16.80%

21.00%

10.80%

BiocharNon-biochar

Ulangan

Kelangsungan hidup (%)

SR

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Non-biochar Biochar0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

1.85 1.55

Pertumbuhan panjang (cm)

Growth

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Variabel Non-biochar Komparasi Biochar SignifikansiNH3-TAN 1.186+0.995 < 1.225+1.02 Tak berbeda nyata

NO2 0.275+0.22 > 0.236+0.2 Tak berbeda nyata

Fe 0.158+0.13 > 0.112+0.12 Tak berbeda nyata

Alkalinitas 76+16 > 76.4+14.9 Biochar lebih tinggiBahan Organik Total 52.5+33 < 54.9+34.1 Tak berbeda nyata

TBU 6,820+5,551 <13,144+20,751 Tak berbeda nyata

TBV-Yellow 1,252+2047 > 806+1,454 Tak berbeda nyata

TBV-Green 8+8.37 > 4+8.9 Biochar lebih rendah

Kualitas Air

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Kualitas air relatif sama dari 10 variabel

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Alkanitas lebih tinggi pada Biochar

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Vibrio green colony lebih sedikit pada biochar

Pembahasan

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Biochar

Mikroskop Elektron

Biochar

Mikroskop Elektron

Biochar

Model LabirinBiochar

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Kotoran padat

partikel

Koloid

Larutan

NutrienAmoniaFosfat…

Eksoenzim

Gatal

Menurunkan kekebalan

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Penyerapan Biochar dan Siklus Nitrogen

Nitrifikasi

Denitrifikasi

Cukup oksigenGelap,Permukaan luas

Kurang oksigen,Asam organikFermentatif

Kesimpulan

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1. Pemberian biochar dapat meningkatkan kelangsungan hidup mendekati 50%

relatif terhadap control.

2. Dari hasil percobaan menunjukkan bahwa sebagian besar variable kualitas

air tidak berbeda nyata.

3. Kelangsungan hidup yang lebih tinggi menyebabkan limbah lebih banyak,

4. Tetapi dengan biochar limbah dapat ditekan dan disejajarkan dengan

perlakuan dengan kepadatan rendah .

5. Ada dua variable kualitas air yang lebih baik dibanding kontrol yakni

alkalinitas dan total vibrio green.

6. Ini menyiratkan bahwa biochar dapat menekan bakteri pathogen dan

meningkatkan denitrifikasi.

Terima Kasih

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Biochar

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